...big difference between the 200 (actually 224) and the 250 (actually 370)
and very little diffference between the 250 and the 400 (actually 435).
Stop, you're breakin' my heart!
I've got 2.8, 2.1, 1.0, -- , .250 in the main RX
and 2.7, -- , -- , .50, -- in the Sub. ('--' = no filter)
I
Martin,
About the 2.7 filters and matching.
I have two of those and they do not match. I set the offset between the two
and they are now both 50 Hz off or so :-) . No need to worry about this. In
SSB you cannot hear any difference. (It will be a problem with the low
bandwidths so if you plan
Hello Don,
Thank you for the reply. Thank you to the others who also replied to me with
info and links.
Have a lot of things to think over :) Could the gentleman in VK3 or VK4
(RFenabled)who emailed me please resend your email address so i can respond
to you please... i seem to have lost your
Hi all.
Just to share my happyness with you. I have just finished the assemnly
of my new K3, SN 3757. Everything is working as expected. Every part
got assembled smoothly and accurately. Congrats for guys at Elecraft.
We will keep in touch for any help.
Ramiro.
EA1ABZ.
Congrats and enjoy, I can't believe there are nearly 4000 K3s after
just over 2 years - that is some achievement and just goes to show how
great a job the guys at Elecraft did.
Congratulations are also due to Eric Wayne and all those involved in
the design and production of this great rig.
Jim AB3CV wrote:
Does CW benefit from diversity reception? Can anyone relate any
experiences with such improvement and some details on their setup
including filters/settings?
Jim, listen to some of the recordings at http://n1eu.com/K3/diversity.htm
By switching between stereo listening
I was thinking that If someone will like to share any information about the K3
with the whole group,feel free to send me whatever you have and with pleasure I
will upload it to the K3 folder in my new website,I mean your experiences in
config settings,problems you have
Jim,
This is the problem I've experienced, and why I think my receiver is
noisy. I can hear a high frequency whine or tone that only gets worse if
I adjust the receive EQ to enhance voice intelligibility. This can
make working weak signals fatiguing. I should probably just cough up the
money
Robert,
Can I assume correctly that you are asking about U4 and U5 on the RF
Board? If so, yes, these are digital signals and yes, the voltages
listed are incorrect for normal measurements. If you look with a
triggered oscilloscope during the active levels, the voltages will be
correct.
I have no connection with Inrad...just wanted to post this as a reminder.
For any who may be unaware, Inrad is the OEM supplier for all Elecraft
8-pole filters, and they also offer a few not available from Elecraft (e.g.
500 Hz 8-pole).
73, Bill W4ZV
Gilbert Cross wrote:
K2 s/n 3346
Has the following options:
KIO2
KAT2
KSB2
K160RX
KNB2
KAF2
MH2
CW tuning indicator
T/R relay driver switching is with the same mosfet used in
the K3
Frequency calibration
AD4C2009 wrote:
I was thinking that If someone will like to share any information about
the K3 with the whole group,feel free to send me whatever you have and
with pleasure I will upload it to the K3 folder in my new website,I mean
your experiences in config settings,problems you have
I think that you should choose on the filter characteristics,
not on the price. The price difference between two 2.8s and
two 2.7s (matched or unmatched) is peanuts compared to the
K3-rigprice.
Think again about the difference between two 2.8 KHz filters
vs. matched 2.7 KHz filters. The
K2QI wrote:
This is the problem I've experienced, and why I think my receiver is
noisy. I can hear a high frequency whine or tone that only gets worse
if
I adjust the receive EQ to enhance voice intelligibility. This can
make working weak signals fatiguing. I should probably just
pcbyrne wrote:
At last, s/n 3779 has landed! Thanks and a Merry Xmas to all at Elecraft
that got my order out in 2 days.
Palmer W7NMD
Mountain Home, AR
--
View this message in context:
http://n2.nabble.com/New-K3-100-tp4189160p4228155.html
Sent from the [K3] mailing list archive at
I'm considering adding an XV series transverter to my K3 station. Do
they require a KIO interface also
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Post:
I would say so Julian, much credit to AD4C for offering, but it would
be better to maintain one site with as much information as possible,
rather than distribute it around multiple sites.
73 de M0XDF, K3 #174
--
No sensible decision can be made any longer without taking into
account not
Hi James:
I understand from talking to Elecraft service that they will be offering the
LPF board as an add-on for those that don't feel the necessity of changing
out the DSP board. No technical details yet.
73,
Mike K2MK
I should probably just cough up the
money and swap out DSP boards for a
Well, I ended up ordering the DSP upgrade board today, plus a few other
items. Everything came to a little under 200 dollars including shipping.
Here's what I ordered:
BNC-MM $6.95 1 Male-Male BNC
K3DSPUPGD $89.95 1 K3 DSP Upgr. Swap
K3IOBUFFKT $5.00 1 K3 I/O
Hector is doing more than Elecraft files. He is making a repository of all
equipment. It might be a good idea to make links directly to the WIKI
rather than the actual manuals.
73,
Bill
K9YEQ
-Original Message-
From: elecraft-boun...@mailman.qth.net
On Tue, 29 Dec 2009 01:23:42 -0600, Jim Miller KG0KP wrote:
My selection was for the 250 and I am very happy with it
and actually see the 200 as being RARELY used if at all. It is narrow
enough that if the responding cw station is off frequency, you will NOT hear
them at all.
Let's clarify
Oh, yes, I know he's storing much more than just Elecraft stuff and
very good too (thank you Hector). We are just suggesting that it would
be preferable to record any Elecraft stuff on ZeroBeat, so it is in
one location. You suggestion of a link to the Wiki is a good one.
--
Life is mostly
Regarding the new DSP board, I was not one of those who had issues with the
old one or considered the K3 to be noisy on rx and I ordered the new one
simply to keep my K3 #266 up to date. I use SSB almost exclusively, these
days seeking dx on 80m with a headset.
Having installed the new board a
Over the past two months I've been enjoying weak signal low band DXing on good
antennas with my K3 using roofing filters for CW (500Hz) and SSB (2.1 KHz) . My
K3 has the latest DSP board and the firmware is up to date with the
thirty-two(?) NR choices. What I'm finding is that the NR Firmware
On Tue, 29 Dec 2009 17:20:53 +1300, Gary Hinson g...@isect.com
wrote:
Does CW benefit from diversity reception? Can anyone relate any
experiences with such improvement and some details on their setup
including filters/settings?
Absolutely Jim!
Gary,
I have a 30m GP here with 3 radials at
No but it certainly helps. You could use the main antenna socket but it is
better to use the transverter ports on the KIO3.
--
View this message in context:
http://n2.nabble.com/xv-series-tp4228235p4228773.html
Sent from the Elecraft mailing list archive at Nabble.com.
Suggestion taken already,there is a direct link to K3 wikipedia inside the K3
folder but it will keep opened for anyone who might like to share with all of
us any valuable info about his settings,mods,antennas,operation skills,audio
files,etc so anything you think is important,just send it to
I vote for this one, but go ahead and include freq, data mode/threshold, RX
and TX EQ settings, just so it's all there.
And, PLEASE, if you do it, make a Mac version so I can use it!
73,
Robert
KY1RK
On 12/23/09 4:26 PM, elecraft-requ...@mailman.qth.net
elecraft-requ...@mailman.qth.net wrote:
--- the forwarded message follows ---
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250hz withdrawn. i'm going to keep it.
400hz pending, likely tomorrow!
thanks all and 73
jim ab3cv
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Post:
AD6XY wrote:
No but it certainly helps. You could use the main antenna socket but it is
better to use the transverter ports on the KIO3.
I think there is some confusion here. A transverter doesn't need the KIO3 at
all. But it is better to use the low level transverter ports provided by the
I'm using an old set of Radio Shack Minimus 0.8 (40-1313) amplified speakers
I had laying around with my K3. They are black and match the K3 nicely.
Small but sound great and no hint of any RF problems at up to 500 watts. No
longer made but if you can find some they work well. Powered by 4 D
- Original Message -
From: Jim Miller KG0KP jimmil...@stl-online.net
To: DM4iM hamra...@vr-web.de; elecraft@mailman.qth.net
Sent: Tuesday, December 29, 2009 7:23 AM
Subject: Re: [Elecraft] Filters for K3
Before you buy the 1.8, set your DSP to 1.8 and spend some time
listening at
Hi Doug,
Some time ago Wayne and Lyle explained that the RX EQ is not meant as an
extra selectivity tool.
It's there to do the last tailoring of passpand response, make up for room
acoustics or speaker/hp response. The RX EQ modifies the IF passband and is
not a seperate post-detector AF filter.
Hi Jim:
If you're on the fence as to whether or not you should buy a sub-receiver I
would answer as follows. If the only reason for your buying a sub RX is to
obtain diversity reception I would suggest that you first purchase the KXV3A
option which gives you the ability to use a separate receive
Hi All
Thanks for all the diversity input. I was just interested in how it
affected CW. Sounds like if I can swing receive antenna that won't get
clobbered by my current antenna when transmitting it might be worth
pursuing.
FWIW, Santa brought me a subRX which for now will be used to listen to
Version 3.63 in my K3. I notice that when using AFSK RTTY...looking at the
ALCI get three bars now and no more. I can drive the poop out of it, but
no more than three bars. I turned down the AFSK drive so the three bars just
flicker. I get good reports from other stations. The output
You didn't actually say how you're adjusting drive ... have you
experimented with the line-in gain, using the MIC control, as well as
adjusting the audio source?
~Iain / N6ML
On Tue, Dec 29, 2009 at 8:41 PM, Lee Buller k...@swbell.net wrote:
Version 3.63 in my K3. I notice that when
I agree that shifting the FC is very important when using narrow filters
on SSB. For a while Inrad was selling 1.5 KHz 8-pole filters for really
narrow SSB and I bought a pair for my K3. They work great as long as I
drop the FC down to 1.05 KHz.
In extreme cases I've even narrowed the DSP
I am adjusting the gain via the mic controlkeeping the SignalLink USB
constant. I can also set the mic control to like 40...and vary the input on
the SignalLink USB. Same thing.
Lee - K0WA
In our day and age it seems that Common Sense is in short supply. If you
don't have any Common
K2 SN #2825 built and works superbly - with manual, 160-10 meters - SSB and CW,
15 watt model with MH-2 mic, KIO2 for RS-232 serial remote control, and DC
power cord.
Mint condition.
Picture at http://www.wd1v.net/k2.jpg
$659.00 plus UPS shipping to 50 states - certified check or money order
Hi Doug,
I never say something can't be done ;-)
There only is no seperate AF EQ in the K3.
The RX EQ is directly modifying the IF response, in other words RX EQ acts
directly at the DSP IF filter stage, that is the way Lyle designed it. The
data of both IF slope and RX EQ are combined to a
I purchased my sub-receiver for one specific use ... to monitor
6M for band openings while the radio might tuned to another
band. I used the Elecraft-supplied BNC(F) to TMP(M) cable
to feed the sub-receiver's input. This arrangement is essentially
permanent unless one does a partial
Which brings up another observation I've made ... for any given WIDTH,
the optimum FC for best intelligibility will be different depending upon
the characteristics of the voice you are trying to copy.
73,
Dave AB7E
The way IF SHIFT controls have worked on radios for decades now has
I use K3-EZ to do this sort of thing:
http://home.roadrunner.com/~n2bc/SW.htm
73,
Paul WW2PT
GM0ELP wrote:
Hi All,
Does anyone know of a software application for controlling the K3 rx
equaliser to specifically create easily adjustable audio filtering toys?
--
View this message in
What was the delivered price into UK, Geoff ?
David
G3UNA
Regarding the new DSP board, I was not one of those who had issues with
the
old one or considered the K3 to be noisy on rx and I ordered the new one
simply to keep my K3 #266 up to date. I use SSB almost exclusively, these
days
Dave and all,
Your observation is exactly the reason I use HI and LO CUT for SSB.
Typically one only needs to decrease HI CUT and the center frequency
takes care of itself. When the HI CUT gets so low that intelligibility
is beginning to decay, a slight change upward in LO CUT can improve
Why not use HI Cut for SSB and WIDTH for CW. This way I find I usually do
not need to do anything with SHIFT for SSB.
N2TK, Tony
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Al Lorona
Sent: Tuesday, December 29, 2009
The way IF SHIFT controls have worked on radios for decades
now has been that, as you turn in one direction away from the
center knob position, you are both narrowing the bandwidth
*and* shifting the apparent center frequency (what the K3
calls FC).
It depends entirely on which brand
The latest firmware for the K3 is 3.68 released on Dec 11. It's always a good
idea to update to the latest version if you experience a problem, as it may
already have been fixed. I'm not aware of any recent issue affecting audio
drive levels in DATA A, but I can tell you that I can drive my K3 to
How easy was it to get all the copyright clearances?
Hector Padron wrote:
After searching the net for long time and downloading lots of manuals
from all japaneese brands,as well as national ones,I have put
together a whole page for everybody to download any manual including
--
David
It depends entirely on which brand of radio you were using
and how the manufacturer implemented IF shift and/or width.
Originally, IF shift was defined as moving one IF passband within another IF
passband, making the resulting passband the intersection (not the union) of the
two passbands.
Al,
As has been pointed out - the K3 does it a bit differently because you
can control both the width and the shift.
For the K3, the width remains constant (whatever you set it at), and the
shift moves that entire passband higher or lower.
In the K3 it is no as you describe, but for
OK... let me try again
I have a K3 with V.3.63. I am getting ready for ARRL RTTY RU. I have a
SignalLink USB device coupled to the LINE IN and LINE OUT of the K3. In AFSK A
mode the MIC is at LINE 40. This has been working since I got the rig.
Everything is fine but I have found
On Tue, Dec 29, 2009 at 11:29 PM, Lee Buller k...@swbell.net wrote:
OK... let me try again
I have a K3 with V.3.63. I am getting ready for ARRL RTTY RU. I have a
SignalLink USB device coupled to the LINE IN and LINE OUT of the K3. In AFSK
A mode the MIC is at LINE 40. This has
Lee,
I have not tried RTTY with the latest firmware - BUT --
Until Lyle states differently, I would suggest that you set the line in
level just to the point when the 3 bars are solid, and no higher.
I have not tried RTTY, but if the bars flicker, I would assume that the
audio drive level is
There only is no seperate AF EQ in the K3.
The RX EQ is directly modifying the IF response, in other words RX EQ acts
directly at the DSP IF filter stage, that is the way Lyle designed it. The
data of both IF slope and RX EQ are combined to a single IF passband
calculation. In that sense the
Originally, IF shift was defined as moving one IF passband
within another IF passband, making the resulting passband the
intersection (not the union) of the two passbands.
Again, you are incorrect. Drake implemented a shift control long
before any of the Japanese imports and its shift
The DSP is behind the roofing filters. I set my 400 Hz filter to cut
in at 450 Hz width. If I set width to 500, the K3 uses the 1.8 kHz
roofing filter. The information diversity of the noise vs CW signal
as a ratio is much larger there and the algorithm seems to take
advantage of that. To my
Al,
As has been pointed out - the K3 does it a bit differently because you can
control both the width and the shift.
73,
Don W3FPR
Hi, Don!
Right, this is what I've been trying to say, but saying it poorly, apparently!
K3's SHIFT and WIDTH controls, being separate controls, do *not* do
Can anyone kindly direct me to a source(s) of parts for construction of daisy
chain control cabling for multiple XV series transverters attaching to K3?
Thanks.
WB2SSB
This email message, including any attachments, is for the sole
Hi John,
Exactly so. Lyle Johnson explained how NR works in the K3 a while ago
and he said exactly what you've observed: NR works best with wider
bandwidths. You can see his explanation at
http://www.zerobeat.net/mediawiki/index.php/K3_DSP
73
--
Joe KB8AP
On Dec 29, 2009, at 9:53 AM,
Joseph,
Take a look at the XV transverter Owners Manual (download from
Elecraft). IIRC, you will find that daisy chain cabling pictured.
73,,
Don W3FPR
Sanger, Joseph wrote:
Can anyone kindly direct me to a source(s) of parts for construction of daisy
chain control cabling for multiple XV
Thanks, Don ... I know (more or less!) what I need to do ... just that I am
having trouble locating connectors that ... appear well suited to creating
these cables ... with strain relief, locking hardware, etc ... actually, I
wonder why Elecraft hasn't made this hardware available for purchase
I've been pleasantly surprised at how well NR works even with
very narrow CW bandwidths. I routinely use a 250 Hz roofing filter
followed by 250, 200, or 150 Hz DSP filters for Top Band. The NR
set around F1-2 or F1-3 quite often makes a difference for me.
It wasn't always this way.
Thanks to
Drake?? What about Collins and the 75A4 that had a fine shift
control on the front panel, done mechanically/electrically but was
well before Drake had a radio.. Width was controlled by filters.
Merv KH7C
Originally, IF shift was defined as moving one IF passband
within another IF passband,
I'm with Don on this one. In my TS-870, voice modes use Hi/Lo cut and CW and
data modes use Width/Shift by default. I wish the K3 did the same.
Wes N7WS
--- On Tue, 12/29/09, Don Wilhelm w3...@embarqmail.com wrote:
From: Don Wilhelm w3...@embarqmail.com
Subject: Re: [Elecraft] Filters for
I would like to hear opinions and reasons for the best filter to use for
operating PSK31 with the K3.
--
View this message in context:
http://n2.nabble.com/Best-Filter-for-the-K3-when-operating-PSK31-tp4230438p4230438.html
Sent from the [K3] mailing list archive at Nabble.com.
On Tue, 29 Dec 2009 19:51:22 -0500, Sanger, Joseph
joseph.san...@nyumc.org wrote:
DB9 Male Cable Connector: P/N E620049
DB9 Back Shell: P/N E620050
You can get the cable from them too.
From the Manuals and Downloads section. Get to it from the menu on
the left of the home page
Lee,
I had a similar problem about a month back when reorganizing my
station. Turned out to be the Signalink mixer control. It has to be
all the way at 100%. Something I did in the interim changed it.
Go to your sound settings (XP) and put the speaker icon in the system
try. Then open it
I use the settings I II to go from normal and shift width for best signal
pullouts when working DX. Please don't suggest this be changed?_(:
73,
Bill
K9YEQ
K2; KX1; K3; mini mods; W2; THP HL-2.5Kfx
ATS-3B
-Original Message-
From: elecraft-boun...@mailman.qth.net
--- On Tue, 12/29/09, Al Lorona alor...@sbcglobal.net
wrote:
Originally, IF shift was defined as moving one IF passband within another IF
passband, making the resulting passband the intersection (not the union) of the
two passbands.
When you do that, you effectively reduce the
I had already paid for mine before they decided to add the LPF in to
the deal, so I suspect you are correct Julian. Don't know if they initially
were going to offer the LPF as a customer DIY add on, or if they decided it
might be better if they did the work in house to eleviate too many
I can't figure out why they are charging 5 bucks for 2 resistors in
the K3 I/O OUTPUT BUFFER KIT, when they are giving away the parts for the
rest of the upgrades for just the price of the postage. Are these two
resistors gold plated or something? I just used a spare 15K 5% leaded
resistor
Wes,
A tap of the knob will make it that way for the K3 - and it will be
remembered by mode/band. While it is not a default (it is user
selectable), one can make the choice and when returning to that
band/mode, it will be the same unless one has tapped the knobs again.
73,
Don W3FPR
Wes
Brandon,
It all depends - if you are operating in the midst of normal strength
signals, then you can use the full 2.7 (2.8) kHz bandwidth and select
the station that you want anywhere on the waterfall display.
However, if there is a lot of QRM and/or a strong signal that is taking
over the AGC
Joe,
The parts to make up the cable are provided with each XV series
transverter. If you purchased yours used and the prior owner did not
include the cables, you may order that cable, connector and backshells
(clamp included with the backshell) from Elecraft. Just look in the
parts section
I'm thinking of a relay at that point to switch between them. But
then I guess there goes your isolation afforded by the BNC.
Would a Y cable affect the input Z enough to affect the gain?
Stan Rife
W5EWA
-Original Message-
From: elecraft-boun...@mailman.qth.net
Right you are. I don't know what I was thinking when I wrote that other than
the fact I went into the shack and recalled a memory and it was wrong for the
mode and I ran with it.
I guess it's because I was away for the holidays and if I don't use the radio
every day I forget all of the
thanks so much, don ... i've already dropped a line to the parts dept!
have a very happy new year!
From: Don Wilhelm [w3...@embarqmail.com]
Sent: Tuesday, December 29, 2009 9:51 PM
To: Sanger, Joseph
Cc: d...@w3fpr.com; Elecraft Reflector
Subject: Re:
What sort of protection are folks using for protecting their AUX-RF path
when transmitting. I''ve just got the K3-10 and normally only run 5W.
My antenna is an 88 ft dipole up 50ft configured either as a dipole on 40
and up or as a hat for the feedline working as a 50ft vertical on 80 and
160.
My receive antenna for the 2nd receiver is a floor to ceiling wire I have
stuck to an indoor wall corner and tuned for the band of operation with a
small MFJ tuner.
Many times it pulls in signals better than my main outside long wire.Those
times when it isn't better but still receives the
Jim,
The K3 receive only inputs are protected internally with COR (Carrier
operated relays). If you hear the COR relays clicking, then they are
being activated by excessive RF. No clicking is goodness = no problem.
73,
Don W3FPR
Jim Miller wrote:
What sort of protection are folks using for
Is there any reason why I can't use a simple Y-cable to extend the cabling from
one XV transverter to two? I bought a handful of DB-15 Y-cables from Cable
Wholesale (based on a recommendation from this list) and so far they have
worked FB I use one DB-15 to split off PR6 control, another
I got a new 6k filter for my K3. I installed it as FL1, moved the
2.7k from FL1 to FL2 and the .5k from FL2 to FL3. Changed the
configuration to match the new hardware. Then without verifying the
installation I installed MCU 3.68 with Utility 1.2.8. Noticing that
I was supposed to use
Drake?? What about Collins and the 75A4 that had a fine shift
control on the front panel, done mechanically/electrically
but was well before Drake had a radio.. Width was controlled
by filters.
I don't know when the 75A4 was introduced but the shift control
was present on the Drake
One of my neighbor hams had a 75A4 when I was in high school - no later
than 1957.
Dunc, W5DC
Joe Subich, W4TV wrote:
Drake?? What about Collins and the 75A4 that had a fine shift
control on the front panel, done mechanically/electrically
but was well before Drake had a radio..
My Elmer, W7UVR, (http://www.k0bg.com/gallery2/main.php?g2_itemId=1039) had
one before I was licensed in 1958. I could only dream.
Later in life I did own one as well as a 75A(1), KWM-1, 51S-1 and ARR-41, just
not all at the same time.
Wes
--- On Tue, 12/29/09, Duncan Carter
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